Convert units between length, temperature, weight, area, volume, pressure, power, time, and data units.
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Daily Conversion
Daily Conversion
Tools for converting units, finance, health, and everyday information.
14 tools33 Functional patterns
Estimate equal-payment principal-and-interest or equal-principal payments, correctly handle zero interest rates, and display monthly schedules and total interest, with export to CSV.
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Daily Conversion
Using the approach of making an immediate early repayment after the repayment for installment N is posted, compare reducing the monthly payment with shortening the term, and list the interest, penalty, and estimated net savings separately.
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Daily Conversion
Reverse-calculate discounts from the discount rate, percentage reduction, or final unit price; use integer cents to calculate the quantity and discount deduction, and display the amount paid, savings, and effective discount rate.
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Daily Conversion
Calculate compound interest year by year based on principal, annual interest rate, number of years, and annual additional amount, listing the ending balance, contributions, and returns.
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Daily Conversion
Convert between 10 currencies using a built-in 2026-07-01 exchange-rate snapshot or custom exchange rates; no live financial quotes are provided.
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Daily Conversion
Calculate the cumulative withholding of personal wages and salaries for residents of Mainland China, the annual comprehensive income settlement, and the difference between separately taxing the full-year one-time bonus and including it in comprehensive income.
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Daily Conversion
Use pure Gregorian calendar dates to calculate the exact age in years, months, and days, total days elapsed, the next birthday, and leap-day birthday handling.
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Daily Conversion
Convert a numeric amount into uppercase RMB wording with yuan, jiao, and fen, supporting negative numbers.
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Daily Conversion
Shows the current time every second for Shanghai, Tokyo, London, Paris, New York, Los Angeles, Sydney, and UTC.
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Daily Conversion
Calculate BMI from height and weight, and provide guidance for underweight, normal, overweight, or obese based on built-in thresholds; not a substitute for medical judgment.
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Daily Conversion
Calculate fuel consumption, cost per kilometer, and total cost locally in the browser, without reading vehicle or payment data.
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Daily Conversion
Perform interest-rate conversion and pricing comparisons for multiple safe expressions locally in the browser; does not include real-time financial quotes.
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Daily Conversion
Calculate general-purpose loans locally in your browser, with configurable payroll withholding, value-added tax and profit, household budgets, investment cash flow, retirement savings, and working hours.
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Daily Conversion